<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small" @click="hAdd(1,'0')">添加权限</el-button>

        </div>
        <el-table border :data="list" row-key="id">

          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template slot-scope="scope">
              <el-button v-if="1 === scope.row.type" type="text" @click="hAdd(2,scope.row.id)">添加</el-button>
              <el-button type="text" @click="hEdit(scope.row.id)">编辑</el-button>
              <el-button type="text" @click="hDel(scope.row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
    </div>
    <!-- 弹层 -->
    <el-dialog :visible.sync="showDialog" title="弹层标题" @close="resetForm">
      <!-- 表单内容 -->
      <el-form ref="form" label-width="100px" :model="formData">
        <el-form-item label="权限名称">
          <el-input v-model="formData.name" />
        </el-form-item>
        <el-form-item label="权限标识">
          <el-input v-model="formData.code" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" />
        </el-form-item>
        <el-form-item label="权限启用">
          <el-switch
            v-model="formData.enVisible"
            active-text="启用"
            active-value="1"
            inactive-text="不启用"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>

      <template #footer>
        <div style="text-align: right;">
          <el-button @click="showDialog = false">取消</el-button>
          <el-button type="primary" @click="hSubmit">确定</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { getPermissionList, addPermission, delPermission, getPermissionDetail, updatePermission } from '@/api/permisson'
import { tranListToTreeData } from '@/utils'
export default {
  name: 'Permission',
  data() {
    return {
      isEdit: false,
      list: [],
      showDialog: false, // 是否显示弹层
      formData: {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    }
  },
  mounted() {
    this.loadPermissionList()
  },
  methods: {
    //   弹层关闭的时候重置表单
    resetForm() {
      this.formData = {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
      //   清空验证表单
      this.$refs.form.resetFields()
    },
    async loadPermissionList() {
      const res = await getPermissionList()
      console.log('从后端获取的数据的是', res)
      this.list = res.data
      const list = tranListToTreeData(res.data)
      console.log('转成树', list)
    },
    // 添加
    hAdd(type, pid) {
      this.isEdit = false
      console.log('用户点击了添加', type, '父级权限点', pid)
      this.showDialog = true
      // 记录当前添加的关键信息
      this.formData.type = type
      this.formData.pid = pid
    },
    async doAdd() {
      const res = await addPermission(this.formData)
      console.log('添加成功', res)
      //   重发请求
      this.loadPermissionList()
      //   关闭弹层
      this.showDialog = false
    },
    // 用户点击了确定
    hSubmit() {
      this.$refs.form.validate(valid => {
        if (!valid) {
          return
        }
        // 作添加或编辑
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 编辑
    async doEdit() {
      const res = await updatePermission(this.formData)
      console.log('编辑成功', res)
      //   重发请求
      this.loadPermissionList()
      //   关闭弹层
      this.showDialog = false
    },
    async hEdit(id) {
      this.isEdit = true
      // 根据id获取详情
      const res = await getPermissionDetail(id)
      console.log('返回的详情数据', res)
      // 填充在表单
      this.formData = res.data
      //   关闭弹层
      this.showDialog = true
    },
    // 删除
    async doDel(id) {
      const res = await delPermission(id)

      // 2. 重新加载数据
      this.loadPermissionList()
      console.log('删除后返回值', res)
    },
    hDel(id) {
      this.$confirm('确定要删除该权限吗?').then(() => {
        this.doDel(id)
      }).catch(() => {

      })
    //   this.$confirm('确定要删除该权限吗?', '温馨提示').then(async() => {
    //     // 1. 实现删除
    //     await delPermission(id)
    //     // 2. 重新加载数据
    //     this.loadPermissionList()
    //     // 3. 提示
    //     this.$message.success('删除成功')
    //   }).catch(() => {
    //     console.log('取消')
    //   })
    }
  }
}
</script>

<style>

</style>
